TY - JOUR AU - M. Tukhtasinov AU - Kh. Ya. Mustapokulov TI - $\varepsilon$-positional strategies in the theory of differential pursuit games and the invariance of a constant multivalued mapping in the heat conductivity problem JO - Contemporary Mathematics. Fundamental Directions PY - 2019 SP - 124 EP - 136 VL - 65 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2019_65_1_a10/ LA - ru ID - CMFD_2019_65_1_a10 ER -